A company is planning on expanding and building a new plant in one of three Southeast Asian countries. Chris Ellis, the manager charged with making the decision, has determined that five critical success factors $($CSFs$)$ can be used to evaluate the prospective countries. Ellis used a rating system of $1($least desirable country$)$ to $5($most desirable$)$ to evaluate each CSF$.$

$\backslash$table$[[,,$Candidate Country Ratings,$],[$Factor$,$Critical Success Factors,Weight,Taiwan,Thailand,Singapore$],[1,$Technology,$0\mathrm{.}25,3,3,5],[2,$Level of education,$0\mathrm{.}10,3,3,3],[3,$Political and legal aspects,$0\mathrm{.}40,3,3,4],[4,$Social and cultural aspects,$0\mathrm{.}10,4,4,5],[5,$Economic factors,$0\mathrm{.}15,2,3,3]]$

a$)$ Based on the given information, the best location for Chris Ellis is Singapore, with a total weighted score of $4\mathrm{.}10.($Enter your response rounded to two decimal places.$)$

b$)$ Political unrest in Singapore results in a lower score, $3,$ for Political and legal aspects. The best location for Chris Ellis is Singapore $,$ with a total weighted score of $3\mathrm{.}70.($Enter your response rounded to two decimal places.$)$

c$)$ If Singapore's score drops even further, to a $1,$ for Political and legal aspects, the best location for Chris Ellis is with a total weighted score of $($Enter your response rounded to two decimal places.$)$